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connecting Connecting to very old linux osLinux OS with ssh

I want to connect to a very old linuxLinux system and try:

[krud@specht ~]$ ssh [email protected]
Unable to negotiate with 192.168.1.10 port 22: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1

I read this page: ssh unable to negotiate - no matching key exchange method found

but if I try something like:

[krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1  [email protected]
Unable to negotiate with 192.168.1.10 port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss
 
Also adding the cipher type results in nothing:

[krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -c ssh-rsa [email protected] Unknown cipher type 'ssh-rsa' [krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -c ssh-dss [email protected] UnknownAlso adding the cipher type 'ssh-dss'results in nothing:

[krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1  -c ssh-rsa [email protected]
anyUnknown chancecipher totype connect?'ssh-rsa'
[krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1  -c ssh-dss [email protected]
Unknown cipher type 'ssh-dss'

How can I login?

Can I add older algorithms to my new linuxLinux installation?

Any other chance to do some backup here without using scp?

connecting to very old linux os with ssh

I want to connect to a very old linux system and try:

[krud@specht ~]$ ssh [email protected]
Unable to negotiate with 192.168.1.10 port 22: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1

I read this page: ssh unable to negotiate - no matching key exchange method found

but if I try something like:

[krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1  [email protected]
Unable to negotiate with 192.168.1.10 port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss
 
Also adding the cipher type results in nothing:

[krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -c ssh-rsa [email protected] Unknown cipher type 'ssh-rsa' [krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -c ssh-dss [email protected] Unknown cipher type 'ssh-dss'


any chance to connect?

Can I add older algorithms to my new linux installation?

Any other chance to do some backup here without using scp?

Connecting to very old Linux OS with ssh

I want to connect to a very old Linux system and try:

[krud@specht ~]$ ssh [email protected]
Unable to negotiate with 192.168.1.10 port 22: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1

I read this page: ssh unable to negotiate - no matching key exchange method found

but if I try something like:

[krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1  [email protected]
Unable to negotiate with 192.168.1.10 port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss

Also adding the cipher type results in nothing:

[krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1  -c ssh-rsa [email protected]
Unknown cipher type 'ssh-rsa'
[krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1  -c ssh-dss [email protected]
Unknown cipher type 'ssh-dss'

How can I login?

Can I add older algorithms to my new Linux installation?

Any other chance to do some backup here without using scp?

edited body
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Klaus
Klaus
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I want to connect to a very old linux system and try:

[krud@specht ~]$ ssh [email protected]
Unable to negotiate with 192.168.1.10 port 22: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1

I read this page: ssh unable to negotiate - no matching key exchange method found

but if I try something like:

[krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1  [email protected]
Unable to negotiate with 192.168.1.10 port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss

Also adding the cyphercipher type results in nothing:

[krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -c ssh-rsa [email protected] Unknown cipher type 'ssh-rsa' [krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -c ssh-dss [email protected] Unknown cipher type 'ssh-dss'


any chance to connect?

Can I add older algorithms to my new linux installation?

Any other chance to do some backup here without using scp?

I want to connect to a very old linux system and try:

[krud@specht ~]$ ssh [email protected]
Unable to negotiate with 192.168.1.10 port 22: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1

I read this page: ssh unable to negotiate - no matching key exchange method found

but if I try something like:

[krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1  [email protected]
Unable to negotiate with 192.168.1.10 port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss

Also adding the cypher type results in nothing:

[krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -c ssh-rsa [email protected] Unknown cipher type 'ssh-rsa' [krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -c ssh-dss [email protected] Unknown cipher type 'ssh-dss'


any chance to connect?

Can I add older algorithms to my new linux installation?

Any other chance to do some backup here without using scp?

I want to connect to a very old linux system and try:

[krud@specht ~]$ ssh [email protected]
Unable to negotiate with 192.168.1.10 port 22: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1

I read this page: ssh unable to negotiate - no matching key exchange method found

but if I try something like:

[krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1  [email protected]
Unable to negotiate with 192.168.1.10 port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss

Also adding the cipher type results in nothing:

[krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -c ssh-rsa [email protected] Unknown cipher type 'ssh-rsa' [krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -c ssh-dss [email protected] Unknown cipher type 'ssh-dss'


any chance to connect?

Can I add older algorithms to my new linux installation?

Any other chance to do some backup here without using scp?

Source Link
Klaus
Klaus
  • 528
  • 1
  • 4
  • 18

connecting to very old linux os with ssh

I want to connect to a very old linux system and try:

[krud@specht ~]$ ssh [email protected]
Unable to negotiate with 192.168.1.10 port 22: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1

I read this page: ssh unable to negotiate - no matching key exchange method found

but if I try something like:

[krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1  [email protected]
Unable to negotiate with 192.168.1.10 port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss

Also adding the cypher type results in nothing:

[krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -c ssh-rsa [email protected] Unknown cipher type 'ssh-rsa' [krud@specht ~]$ ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -c ssh-dss [email protected] Unknown cipher type 'ssh-dss'


any chance to connect?

Can I add older algorithms to my new linux installation?

Any other chance to do some backup here without using scp?